Commit-ID: 851394229e79c11b0b5b74c509817848e9a80564
Gitweb: http://git.kernel.org/tip/851394229e79c11b0b5b74c509817848e9a80564
Author: H. Peter Anvin <hpa@xxxxxxxxx>
AuthorDate: Sun, 19 Feb 2012 07:43:09 -0800
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Mon, 20 Feb 2012 12:52:04 -0800
x32: Export setup/restore_sigcontext from signal.c
Export setup_sigcontext() and restore_sigcontext() from signal.c, so
we can use the 64-bit versions verbatim for x32.
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
arch/x86/include/asm/sighandling.h | 5 +++++
arch/x86/kernel/signal.c | 10 ++++------
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h
index 843e299..ada93b3 100644
--- a/arch/x86/include/asm/sighandling.h
+++ b/arch/x86/include/asm/sighandling.h
@@ -16,4 +16,9 @@
void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
+ unsigned long *pax);
+int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+ struct pt_regs *regs, unsigned long mask);
+
#endif /* _ASM_X86_SIGHANDLING_H */
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index c432dc0..450fb25 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -60,9 +60,8 @@
regs->seg = GET_SEG(seg) | 3; \
} while (0)
-static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
- unsigned long *pax)
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
+ unsigned long *pax)
{
void __user *buf;
unsigned int tmpflags;
@@ -117,9 +116,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
return err;
}
-static int
-setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
- struct pt_regs *regs, unsigned long mask)
+int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
+ struct pt_regs *regs, unsigned long mask)
{
int err = 0;
--
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